On my 2000 e39 540, I removed an aftermarket airdam last winter in about 3"
of heavy slush. The remaining bits were found to be attached with self
tapping screws into the plastic bumper cover. I'd guess for you that would
translate into self tapping screws (into the sheet metal).
Regards,
doug
Waterloo, Ontario Canada, eh
86 951 (http://www.pcaucr.org/forum/post.jsp?postid=2393)
94 855 turbo --> 01 E320 (W210) 4matic Wagon
00 540 (was an 85 535-5)
I apparently only buy cars designated by numbers